
    body {
      background: #fafafa;
      font-family: "Microsoft YaHei", sans-serif;
      margin: 0
    }

    h1 {
      color: #ff6633;
      text-align: center;
      margin: 20px 0
    }

    .video-box {
      max-width: 800px;
      margin: 0 auto 30px;
      background: #000;
      border-radius: 6px;
      overflow: hidden
    }

    .video-box video {
      width: 100%;
      display: block
    }

    .detail-frame {
      width: 90%;
      max-width: 800px;
      margin: 0 auto 30px;
      border: 1px solid #e5e5e5;
      border-radius: 6px;
      min-height: 300px;
      background: #fff;
      padding: 20px;
      box-sizing: border-box;
      line-height: 1.8
    }

    .detail-frame h2 {
      color: #ff6633;
      margin-top: 0
    }

    .detail-frame p {
      text-indent: 2em;
      margin: 10px 0
    }

    .btn-bar {
      text-align: center;
      margin-bottom: 40px
    }

    .btn-sm {
      padding: 8px 20px;
      border: 1px solid #ff6633;
      background: #fff;
      color: #ff6633;
      border-radius: 4px;
      cursor: pointer;
      font-size: 14px;
      margin: 0 8px
    }

    .btn-sm:hover {
      background: #ff6633;
      color: #fff
    }
